| In Spanish at | | | | participating countries agree with the existence of |
| In 1987, the United Nations Environment Programme, | | | | the current problem of models of development; but |
| led by the former Norwegian Prime Minister Gro | | | | no one coincides in the forms of implementing |
| Harlem Brundtland, worked examining the position of | | | | solutions. This is because such solutions require |
| the contemporary world and demonstrated with | | | | adjusting the economic growth to the welfare of the |
| scientific data that the global society was destroying | | | | planet like an ecosystem, something that the |
| the environment and affecting wide segments of the | | | | Western modern society has never contemplated. |
| worldwide population by submitting them to poverty. | | | | Since the surging of the term Sustainable |
| This analysis was published in a book named “Our | | | | Development in 1987, its significance has focused on |
| Common Future”, based on the Brundtland | | | | the environmental sustainability, generating a domino |
| Report conclusions. In this report, the term | | | | effect of Global Summits and Meetings guided |
| sustainable (or sustainable development) was used | | | | towards reaffirming the need to confront the same |
| for the first time, defined as satisfying the needs of | | | | problem: The satisfaction of human needs is not |
| the present without compromising the generations . | | | | sustainable in time in the way that future generations |
| The purpose of the Brundtland Report was to find | | | | will not count with the same resources that we |
| practical tools for reverting the development and | | | | currently have. |
| environmental problems. In order to achieve this, the | | | | With the meetings held ever since, we can highlight |
| commission destined three years to public hearings | | | | the 1998 Nobel Awards from 63 countries that |
| and received over 500 written comments, later on | | | | elaborated a Manifesto reaffirming the climatic crisis |
| examined by scientists and politicians from 21 | | | | of the planet in 1997, before the signature of the |
| countries and different ideologies . As the book | | | | Kyoto Protocol in Japan. In the same year the Rome |
| indicates. the work of so many people with different | | | | Agreement was celebrated, focusing on the correct |
| histories and cultures made necessary the | | | | use of fertile lands. |
| strengthening of dialogue, which is why the result of | | | | At a later time, in 1998 Expo Lisbon focused on the |
| this synergy is more than any of them would have | | | | protection of the oceans. In 2000 the Climate |
| gotten individually. | | | | Summit was held in La Haye, Netherlands, concluding |
| However, the concept that encloses the term | | | | once again that the goals had not been reached. In |
| Sustainable Development had been being gestated | | | | 2002, in Johannesburg, South Africa, another Earth |
| before the 1987 meeting. In fact, in June of 1972 the | | | | Summit with similar conclusions was held. ( cast.htm ) |
| Declaration of The United Nations Conference at | | | | Although it seems incredible, the fundamental axis of |
| Stockholm was held, where the Human Environment | | | | all the debates has concentrated on agreeing on the |
| and two fundamental aspects that compose it: the | | | | way how contaminant emissions should be measured |
| artificial and the native, we actively discussed. It is | | | | to determine if the established goals for its decrease |
| pertinent to highlight those conclusions that indicate | | | | have come true. Granted, though, not always those |
| the concern of the contamination index and the | | | | who offer the bigger force to this debate are the |
| inequality in the necessary conditions for | | | | countries that most contaminate the planet. |
| development. It is clear that even though the term | | | | An example of this is that, recently, a documentary |
| Sustainable Development was not used until 1987, | | | | was released, titled An inconvenient Truth, sponsored |
| some worldwide events revealed the need to check | | | | by Al Gore, who has played an important role in the |
| the definition of development and construct a | | | | political positioning of this subject in the United States. |
| comprising, interdependent and equitable perspective. | | | | The documentary shows the backward movement |
| The theme has been spread and debated in multiple | | | | of numerous glaciers by means of photos taken for |
| scenes. After ten years of the United Nations | | | | several years, as well as a study carried out by |
| Conference of 1972, in May of 1982, at Nairobi | | | | researchers of the University of Berna Physic |
| (Africa), another conference was held, whose central | | | | Institute and the EPIC that shows data of the |
| axis was the environment. Once again, the themes | | | | Antarctican nucleus of the ice with concentrations of |
| and topics that needed to be included in a new term | | | | carbon dioxide—nowadays higher than during the |
| were discussed: Sustainable Development. | | | | past 650,000 years. |
| The impact attained by the Brundtland Report at | | | | Likewise, the documentary reveals an investigation |
| including this new term can be corroborated in the | | | | held by Dr. Naomi Oreskes (2004), which consists on |
| following United Nations Conference called the Earth | | | | a revision of 928 scientific articles related to the |
| Summit, held in Rio de Janeiro, 1992. While in previous | | | | global climate change, published between 1993 and |
| conferences the general theme was based on | | | | 2003. The investigation, published in the magazine |
| reflections and concerns, at the Earth Summit | | | | Science, proved that each article either blamed global |
| guidelines and goals were designed in order to | | | | warming on men's actions or did not comment about |
| protect our planet. | | | | it at all. |
| This is how, for the first time in humanity’s | | | | The scientific bases that document that our planet is |
| history, 180 countries represented at the Earth | | | | on a critical and unprecedented phase are ample and |
| Summit joined on behalf of the Climatic Changes | | | | revealing; today more than ever the awakening of an |
| Treaty, to take measures that mitigate the effects | | | | environmental conscience is necessary, based on a |
| that this produces, due to the increasing emissions of | | | | Sustainable Development perspective, to reach a |
| greenhouse gases. At present, there are 181 | | | | balanced coexistence with the ecosystems that |
| governments part of this treaty, who meet annually | | | | supports our life like species. |
| to analyze the advances and to continue looking for | | | | The improvement of the environment is a |
| problems’ solutions. | | | | commitment of companies as well as citizens. In |
| At a later time, in 1997, all the countries compromised | | | | order to initiate this stage, big sacrifices, or difficult |
| with climatic changes met in Kyoto, Japan, and | | | | and innovative methods, are not necessary; the |
| established bases for the commitment of reducing | | | | solution is simpler than we thought: it is in your hands. |
| emissions by 7% in the following decade, a | | | | From your home, begin with these 10 things to do |
| commitment attained by the countries that met in | | | | recommended by An inconvenient truth. ( |
| Rio five years earlier. In 1998, the industrialized | | | | 1. – Change a Light |
| countries increased their emissions up to 10%; for | | | | Replacing one regular light bulb with a compact |
| example, the USA surpassed the limits over 20%. | | | | fluorescent light bulb will save 150 pounds of carbon |
| In the same year of the Kyoto meeting, the second | | | | dioxide a year. |
| Earth Summit was held at the seat of the United | | | | 2. - Drive less |
| Nations in New York. But when doing the balance | | | | Walk, ride a bike, carpool or use mass transit more |
| between the established at the first Summit of Rio | | | | often. You will save one pound of carbon dioxide for |
| Janeiro and the achieved within the same, the result | | | | every mile you do not drive! |
| was discouraging. Although the agreements were | | | | 3. - Recycle more |
| reaffirmed, the drawn goals to stop the damage of | | | | You can save 2.400 pounds of carbon dioxide per |
| the planet did not come true. In fact, the economic | | | | year by recycling just half of your household waste. |
| globalization had destroyed the advances obtained by | | | | 4. - Checks your tires |
| Río's agenda, has established an exploitative | | | | Keeping your tires properly inflated can improve gas |
| worldwide economy and has exposed the natural | | | | mileage by more than 3%. Every gallon of gasoline |
| resources to the voracity of the market. These are | | | | saved keeps 20 pounds of carbon dioxide out of the |
| some current signs of warning : | | | | atmosphere! |
| • A lot of places in North America registered their | | | | 5. – Use less hot water |
| warmer seasons or days at the end of the decade | | | | It takes a lot of energy to heat water. Use less hot |
| of 1990. | | | | water by installing a low flow showerhead (350 |
| • Since 1980, Earth has registered 19 of its | | | | pounds of CO2 saved per year) and washing your |
| hottest years, 1998 being the warmest, with 2002 | | | | clothes in cold or warm water (500 pounds saved per |
| and 2003 as second and third, respectively. | | | | year) |
| • In 2003, the extreme heat waves caused over | | | | 6. – Avoid products with a lot of packaging |
| 20.000 deaths in Europe and over 1.500 deaths in | | | | You can save 1.200 pounds of carbon dioxide if you |
| India. | | | | cut down your garbage by 10%. |
| • Mosquitoes, which carry diseases, are | | | | 7. – Adjust your thermostat |
| propagating as the climate changes allow them to | | | | Moving your thermostat just 2 degrees in winter and |
| survive in areas that used to be inhospitable for | | | | up 2 degrees in summer. You could save about 2.000 |
| them. Mosquitoes that can carry the dengue virus | | | | pounds of carbon dioxide a year with this simple |
| were restricted to heights of 1.000 meters, but they | | | | adjustment. |
| have recently appeared to 2.200 meters in the | | | | 8. - Plant a tree |
| Andean Mountains of Colombia. Malaria, in higher areas | | | | A single tree will absorb one ton of carbon dioxide |
| of Indonesia, has also been detected. | | | | over its lifetime. |
| • According to NASA, the polar icecap is melting | | | | 9. – Turn off electronic devices |
| at an alarming rhythm of 9% per decade. From the | | | | Simply turning off your television, DVD player, stereo, |
| decade of 1960, the thickness of the arctic ice has | | | | and computer when you are not using them will save |
| decreased 40%. | | | | you thousands of pounds of carbon dioxide a year. |
| • The current rhythm of sea elevation is three | | | | 10. - Become part of the solution |
| times higher than the historic rhythm and it seems to | | | | Spread the world! Encourage your friends to see An |
| be accelerating. | | | | Inconvenient Truth and send them the following PDF |
| • A recent study published in the prestigious | | | | document: |
| publication Nature discovered that at least 279 | | | | REFERENCES |
| species of plants and animals are already answering | | | | • Informe Brundtland. Available on: |
| to global warming. The geographic zones of | | | | • Brundtland Report: |
| distribution of the species has moved over to the | | | | • Convenio de Estocolmo sobre contaminantes |
| poles to an average rhythm of 6,5 km (4 miles) per | | | | orgánicos persistentes. Available on: |
| decade and their sprouts are ahead in an average of | | | | • Cumbre para la Tierra. Available on: |
| 2 days before for each decade. | | | | • El desarrollo sostenible ¿posibilidad de |
| • During the past 25 years, some penguin | | | | mejoramiento de la calidad de vida o utopía para el |
| populations have lessened 33% in parts of Antartica | | | | futuro? Available on: |
| due to reductions of the winter habitat in the marine | | | | • Desarrollo Sostenible. Available on: |
| ice. | | | | • Revista Science. Disponible en: |
| The hidden meaning of disagreements focuses on | | | | • La cumbre de la Tierra 2002. |
| the tackling form of the problem. That is, all | | | | |